<% this.title = '编辑题目'; %>
<% include header %>
<style type="text/css">
  .problem_header{
    text-align: center;
  }
</style>
<div class="padding">
    <form method="post" action="<%= syzoj.utils.makeUrl(['problem', req.params.id, 'edit']) %>">
      <div class="ui top attached tabular menu">
        <a class="item active" data-tab="edit">编辑</a>
        <a class="item" data-tab="preview" id="preview_tab">预览</a>
      </div>
      <div class="ui bottom attached tab segment active" data-tab="edit">
        <div class="ui form"><div class="field">
          <% if (problem.allowedManage) { %>
            <label for="id">
              <% if (problem.new) { %>
                题目编号
              <% } else { %>
                修改题目编号
              <% } %>
            </label>
            <input type="text" id="id" name="id" placeholder="<% if (problem.new) { %>留空则自动延伸<% } else { %>留空则不修改<% } %>" value="<%= problem.id ? problem.id : '' %>">

            <div style="margin-top: 15px; "></div>
          <% } %>
          <label for="title">题目名称</label>
          <input class="font-content" type="text" id="title" name="title" value="<%= problem.title %>">
        
          <label style="margin-top: 15px; " for="description">题目描述</label>
          <textarea class="markdown-edit" rows="15" id="description" name="description"><%= problem.description %></textarea>
          <label style="margin-top: 15px; " for="input_format">输入格式</label>
          <textarea class="markdown-edit" rows="10" id="input" name="input_format"><%= problem.input_format %></textarea>
          <label style="margin-top: 15px; " for="output_format">输出格式</label>
          <textarea class="markdown-edit" rows="10" id="output" name="output_format"><%= problem.output_format %></textarea>
          <label style="margin-top: 15px; ">样例</label>
          <textarea class="markdown-edit" rows="15" id="example" name="example"><%= problem.example %></textarea>
          <label style="margin-top: 15px; ">数据范围与提示</label>
          <textarea class="markdown-edit" rows="10" id="hint" name="limit_and_hint"><%= problem.limit_and_hint %></textarea>

          <label style="margin-top: 15px; ">标签</label>
          <select class="ui fluid search dropdown" multiple="" id="search_tags" name="tags">
            <% for (let tag of problem.tags) { %>
              <option value="<%= tag.id %>" selected><%= tag.name %></option>
            <% } %>
          </select>
          <div class="ui <% if (problem.is_anonymous) { %>checked <% } %>checkbox" style="margin-top: 15px; ">
            <input <% if (problem.is_anonymous) { %>checked=""<% } %> name="is_anonymous" type="checkbox">
            <label><strong>匿名上传</strong></label>
            <p style="margin-top: 5px; ">选择后，上传者的用户名将不在题目页面中显示。</p>
          </div>
        </div></div>
      </div>
      <div class="ui bottom attached tab segment" data-tab="preview" id="preview">
        <h1 class="ui header problem_header" id="pv-title"></h1>
        <h2 class="ui header">题目描述</h2>
        <div class="font-content" id="pv-description"></div>
        <h2 class="ui header">输入格式</h2>
        <div class="font-content" id="pv-input"></div>
        <h2 class="ui header">输出格式</h2>
        <div class="font-content" id="pv-output"></div>
        <h2 class="ui header">样例</h2>
        <div class="font-content" id="pv-example"></div>
        <h2 class="ui header">数据范围与提示</h2>
        <div class="font-content" id="pv-hint"></div>
      </div>
      <% if (problem.allowedEdit) { %>
      <div style="text-align: center; ">
      <button type="submit" id="submit_button" class="ui labeled submit icon button">
        <i class="icon edit"></i> 提交
      </button>
      </div>
      <% } %>
    </form>
</div>
<script type="text/javascript">
$(function () {
    function render(output, input) {
      $.post('/api/markdown', { s: input.val() }, function (s) {
        output.html(s);
      });
    }
    $("#preview_tab").click(function () {
      $("#pv-title").text($("#title").val());
      $("#pv-description, #pv-input, #pv-output, #pv-example, #pv-hint").text('Loading...');
      render($("#pv-description"), $("#description"));
      render($("#pv-input"), $("#input"));
      render($("#pv-output"), $("#output"));
      render($("#pv-example"), $("#example"));
      render($("#pv-hint"), $("#hint"));
    });
    $('.tabular.menu .item').tab();
});
</script>
<script>
$(function () {
  $('#search_tags')
    .dropdown({
      debug: true,
      saveRemoteData: false,
      apiSettings: {
        url: '/api/v2/search/tags/{query}',
        onResponse: function (response) {
          var a = $('#search_tags').val().map(function (x) { return parseInt(x) });
          if (response.results) {
            response.results = response.results.filter(function(x) { return !a.includes(parseInt(x.value));});
          }
          return response;
        },
        cache: false
      }
    });
});
</script>
<% include footer %>
